A-GeometryCh 8 ReviewPrize Show

Donut holes!!

Pictionary: ? Vs. ?

Paper airplane contest: ? Vs. ?

Tiger roar contest: ? Vs. ?

Jolly ranchers

Starburst

Tootsie rolls

Hangman, by ?

Charades: ? Vs. ?

3 pts EC on Test!

Saturday Night Fever: disco

dance-off: ? Vs. ?

Cookies!!

3. 2.

4.

7.

10.

5.

8.

11.

6.

9.

12.

1.

1. Always, Sometimes or Never?

Always

a.) If the vertex 's of 2 isosceles 's

are , then the 's are .

Always

b.) If one of the base 's of an isosceles

one of the base 's of another

isosceles , then the ' are .s

Alwaysc.) Two squares are .

Sometimesd.) Two rhombuses are .

2. Always, Sometimes or Never?

Alwaysa.) If 2 's are , then they .

Sometimes

Always

c.) If 2 's are , then the ratio of

their perimeters = the ratio of

a pair of corresponding sides.

b.) If 2 's are , then they .

3.a.) If m Q = 80 , what is the ratio

of the complement of Q to

the supplement of Q?

3.b.) What is the 4th proportional to

1 , 4 and 8 ?

2

90 80 10 1

180 80 100 10

Complement

Supplement

18 12 so, x 32,

4 2 and x 64

x

4.a.) What is the geometric mean of

4.6 and 12.8 ?

24.6 so, x 58.88 and x 7.7

12.8

x

x

4.b.) What is the arithmetic mean of

4.6 and 12.8 ?4.6 12.8

8.72

5.a.) If BIG MAC,

then = ?IG

BG

AC

MC

2 2 35.b.) If ,

5 6 what is the ratio of x to y?

x y x y

27

4

x

y

6.a.) What is the value of x?

6x

6.b.) A has side lengths of 7, 8 & 9.

A has a perimeter of 72.

What is the shortest side of the ?

x4

812

Shortest side = 217 8 9 7

72 x

7a.) What is the value of x? 6x

7b.) What is the value of y? 25y

129

8

10

x

y

>

>

8.) What is the length of ? KE

5KE

10

46

N

8 U

E

P

K

Given: PUNK is a trapezoid

with bases & . PU KN

9.) As x increases by 5, how much

does y increase or decrease?

y increases by 8

when

x increases by 5.

B(12, 20)

x

y

A(2, 4)

10.) What are the values of x and y?

6 5, so 2.4

2x

x

9

x

y

2 3

6

6 5, so 10.8

2.4 11y

y

11.) What is the length of PC?

12 24, so 7.5

15PC

PC

AN

M

C

P

15

9

30°

12

Given: PAC is a reduction of MAN.

12.a.) What is ?SU

UP7

6

SU

UP

14, so 4

2 7

SOSO

12.b.) If SU = 14,

what is ?SO

6

5

2S

O

U

P>

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